document.write( "Question 847833: the polynomial: ax ł + bx ˛ + cx + d = 0 show that:
\n" ); document.write( "1. x1 + x2 + x3 = - b / a
\n" ); document.write( "2. x1.x3 x1.x2 + + x2.x3 = c / a
\n" ); document.write( "3.x1.x2.x3 = -d / a
\n" ); document.write( "please help, thank you \n" ); document.write( "

Algebra.Com's Answer #510704 by richard1234(7193) $\"\"$ $\"About$

You can put this solution on YOUR website!
You can write

in the form

. Expanding the RHS and equating like terms yields the desired result. \n" ); document.write( "

\n" );